Patrick B. answered • 02/27/20
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4*(0.2) + X = 0.9(X+4)
0.8 + X = 0.9X + 3.6
0.8 + 0.1X = 3.6
0.1X = 2.8
X = 28
How many liters of pure water should be mixed with a 4-L solution of 80% acid to produce a mixture that is 90 % water?
How many liters of pure water should be mixed with a 4-L solution of 80% acid to produce a mixture that is 90% water? Please answer in liters
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